TMS320F28062: How to read a 485 absolute value encoder?

Cherry Zhou

Mastermind 22235 points

Part Number: TMS320F28062

Hi team,

Here's an issue from the customer may need your help:

1) Reading at FOC, if encounter interference may require several reads, which may affect the operation of FOC.

2) CPU resource is used if the interrupt is always read.

How to typically read a 485 absolute value encoder?

Could you help check this case? Thanks.

Best Regards,

Cherry

over 2 years ago

0 Lori Heustess over 2 years ago

TI__Guru* 91990 points

I'm not sure I understand the question. Do you mean an encoder that uses an RS485 physical layer? We have an example in the motor control SDK for a t-format encoder, but our solution requires the CLB (configurable logic block) which is not available on F2806x.

Refer to the TIDesign here: https://www.ti.com/tool/TIDM-1011

If your question is different, please let me know.

Lori

C2000™︎ microcontrollers

C2000 microcontrollers forum

TMS320F28062: How to read a 485 absolute value encoder?